<!DOCTYPE html>
<html lang="en">

<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>note-code</title>
	<style>
		.container {
			width: 300px;
			height: 300px;
			background-color: skyblue;
			display: grid;
			grid-template-rows: 100px 100px 100px;
			grid-template-columns: 1fr 1fr 1fr;
		}
	</style>
</head>

<body>
	<div class="container">
		<div>1</div>
		<div>2</div>
		<div>3</div>
		<div>4</div>
		<div>5</div>
		<div>6</div>
		<div>7</div>
		<div>8</div>
		<div>9</div>
	</div>
</body>

</html>